LIGHTING DEVICE Russian patent published in 2009 - IPC F21S8/04 

FIELD: lighting.

SUBSTANCE: lighting device comprises socket and lamp, is connected by adapter with rectifier in contact manner, at that rectifier outlet is connected to contact element of adapter base. Adapter is located inside socket, contact group of which is connected to socket and lamp installed in socket holder in contact manner. Adapter is arranged in the form of metal ring with collar, where insulation insert is fixed with deepening, where rectifier is located so that its inlet is connected to central contact element of socket base, and outlet is connected to central contact element of lamp base. Also adapter installed inside socket may be arranged together with threaded metal holder of lamp in socket and is equipped by collar in upper part, which serves as side contact and support for insulation insert with deepening, at the bottom of which central contact is provided. Base of lamp installed into socket holder is equipped with marking that characterises rectifier installed in adapter, fuse or resistor or their combination.

EFFECT: improved efficiency and operational conditions.

3 cl, 2 dwg